OPERATING AND MAINTENANCE
Page 22
15. Solution of the most common problems
I. Dishes not clean
P
ROBLEM
R
EMEDY
Washing arms blocked They must be easy to move by hand. Remove the washing
arms and clean carefully. Check and clean the supply pipe
to the machine's arms.
Washing arm nozzles clogged Remove the washing arms and clean carefully, until all
blockages have been removed. To clean the arms,
unscrew the caps on the lower side of the arms themselves
(see the “Maintenance” paragraph).
Rinsing arm nozzles clogged with calcium. Remove the rinsing arms and remove the calcium in a
separate receptacle.
Check that the softener is working properly where this
unit has been fitted.
Detergent concentration too high or
insufficient
Check the dosage of detergent, as per the relevant chapter
(see the INSTALLATION chapter in the technician's
manual).
This setting must be done by a trained technician.
Filter clogged Remove the filter, clear and clean it.
Washing cycle too short Select a cycle that continues longer, improve the
preliminary clearing stage.
Washing solution too dirty Drain the tank, clean the filters and tank, improve the
preliminary clearing stage.
II. Dishes not properly dry.
P
ROBLEM
R
EMEDY
Insufficient rinse aid Increase the dosage (see technician's manual).
This setting must be done by a trained technician.
Grease or starch not removed completely. Detergent not concentrated enough. Increase the dosage
(see technician's manual).
This setting must be done by a trained technician.
Inadequate type of detergent Choose a product better suited to the application. Only use
low foaming dishwasher detergents.
Excess detergent Reduce the dosage (see technician's manual).
This setting must be done by a trained technician.
Basket not suitable for type of dishes Choose a type of basket that will allow the water to run
off the dishes.
Dishes left in the machine before being
removed
Remove the dishes from the machine as soon as the
drying cycle ends
Surfaces on glasses rough and porous or
misty due to corrosion of the glass
Replace the glasses with new ones and use baskets that
are suitable for avoiding that the glasses come into contact
with each other during washing.
Streaks and marks on dishes Rinse aid concentration too high. Reduce the dosage (see
technician's manual).
This setting must be done by a trained technician.
Water hardness or excessive undissolved
minerals.
Check the quality of the water, ask for information and
advice from your local distributor or a competent
authority.